Bronkhorst RS232 interface Manuel d'utilisateur télécharger pdf (Page 6)

BRONKHORST®

Page6RS232interface    9.17.027

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1.4 SHORTFORMSTART‐UP

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AllnecessarysettingsforthismodulearealreadyperformedatBronkhorst.

Tofollownextstepscarefullyisthequickestwaytogetthismoduleoperationalinyourownsystem.

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IncaseoftroubleprogramslikeHyperterminal(availableinMS‐Windows)orFlowDDE(from

Bronkhorst)couldbeveryuseful.

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START

Connect

PC/PLC

toRS232

interface

CheckPower

MakesureyourPCorPLCisconnectedtotheRS232interfacebymeansof

thecorrectcable.

 MultibusinstrumentsneedaspecialcablewithT‐connector.

 RS232/FLOW‐BUSinterfacesneedaone‐on‐one9‐polecable

withoutcrossingswithmaleandfemaleconnector

Cablelengths

forRS232mustnotexceed10meters.

Makesureinstrumentorinterfaceispowered(+15…24Vdc)

Initializationprocedure

IncaseofRS232/FLOW‐BUSinterfacewithoutmicro‐switchandLED’s,first

seethatinterfacegetsafreeaddressontheFLOW‐BUS.Followinitialisation

proceduredescribedat[InitialisingRS232/FLOW‐BUSinterface]

Checksettings

communicationport

Usesettings[38400,n,8,1]foryourCOM‐port:

Baudrate=38K4Baud,noparity,8databits,1stopbit.

Ready

Startsendingmessagesasdescribedinfollowingparagraphs.

Startsending

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Bronkhorst RS232 interface Manuel d'utilisateur Page 6